21315576

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5657}}^1$

素因数の和:5823

約数の個数: 32

約数和(自身を含む): 53637840

約数和(自身を除く): 32322264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5657, 11314, 16971, 22628, 33942, 45256, 67884, 135768, 888149, 1776298, 2664447, 3552596, 5328894, 7105192, 10657788, 21315576]

約数ペア:

[(1, 21315576), (2, 10657788), (3, 7105192), (4, 5328894), (6, 3552596), (8, 2664447), (12, 1776298), (24, 888149), (157, 135768), (314, 67884), (471, 45256), (628, 33942), (942, 22628), (1256, 16971), (1884, 11314), (3768, 5657)]